Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
KI

Koji Ito — 290 Patents

Denso: 41 patents #72 of 11,792Top 1%
Aisin Seiki Kabushiki Kaisha: 39 patents #19 of 3,782Top 1%
Brother Kogyo: 38 patents #186 of 2,767Top 7%
Toyota: 22 patents #1,000 of 26,838Top 4%
Canon: 17 patents #3,944 of 19,416Top 25%
NANabtesco: 16 patents #4 of 320Top 2%
Schlumberger Technology: 12 patents #468 of 7,293Top 7%
Sony: 11 patents #4,056 of 25,231Top 20%
SCShindengen Electric Manufacturing Co.: 11 patents #13 of 307Top 5%
JSJsr: 8 patents #130 of 1,137Top 15%
YCYuyama Mfg. Co.: 7 patents #24 of 147Top 20%
SESeiko Epson: 7 patents #2,406 of 7,774Top 35%
SHShiroki: 6 patents #19 of 172Top 15%
TCToray Engineering Co.: 6 patents #10 of 169Top 6%
SISintokogio: 5 patents #69 of 455Top 20%
Kawasaki: 4 patents #556 of 2,943Top 20%
Mitsubishi Electric: 4 patents #7,099 of 25,717Top 30%
SOSoken: 4 patents #9 of 182Top 5%
Micron: 4 patents #3,070 of 6,374Top 50%
Panasonic: 3 patents #7,659 of 21,108Top 40%
KCKyoshin Kogyo Co.: 3 patents #4 of 15Top 30%
MIMizuno: 3 patents #85 of 221Top 40%
PCPolymer Flip Chip: 3 patents #2 of 7Top 30%
NSNS Sumikin Stainless: 2 patents #32 of 78Top 45%
PCPacific Industrial Co.: 2 patents #27 of 133Top 25%
TCToyoda Gosei Co.: 2 patents #900 of 2,296Top 40%
YKYkk: 2 patents #317 of 845Top 40%
FCFuji Electric Co.: 2 patents #971 of 2,643Top 40%
FUFujikura: 2 patents #518 of 1,407Top 40%
NCNippon Paint Holdings Co.: 2 patents #265 of 834Top 35%
TCTeijin Seiki Co.: 1 patents #75 of 143Top 55%
TCToko Co.: 1 patents #92 of 196Top 50%
TKTokyo Keiki: 1 patents #60 of 166Top 40%
JCJidosha Denki Kogyo Co.: 1 patents #65 of 121Top 55%
NONippon Oil: 1 patents #392 of 773Top 55%
NCNtt Communications: 1 patents #34 of 129Top 30%
JCJeco Co.: 1 patents #30 of 73Top 45%
3M: 1 patents #7,251 of 11,543Top 65%
HCHokuriku Electric Industry Co.: 1 patents #54 of 104Top 55%
PSPs4 Luxco S.A.R.L.: 1 patents #127 of 276Top 50%
HCHitachi Engineering & Services Co.: 1 patents #59 of 129Top 50%
Kyocera: 1 patents #2,054 of 3,732Top 60%
SKShowa Denko K.K.: 1 patents #940 of 1,736Top 55%
KUKureha: 1 patents #186 of 354Top 55%
BKBrother Kabushiki Kaisha: 1 patents #1 of 10Top 10%
Overall (All Time): #1,438 of 4,157,543Top 1%
290 Patents All Time
Koji Ito has been granted 290 US patents while listed as an inventor at Denso. The first was granted in 1983 and the most recent in September 2025. Koji Ito ranks #1,438 of 4,157,543 US inventors in our database (top 0.03%). Patent records list Koji Ito in Nagoya, TX, JP.

Issued Patents All Time

Showing 1–25 of 290 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12409934 Pickup system and pickup method Yoshikane TANAAMI, Miyuki HAYASHI 2025-09-09
12312836 Safety switch, and switch system Tomohiro Mori 2025-05-27
12263557 Automatic polishing system and automatic polishing device Yoshikane TANAAMI, Miyuki HAYASHI 2025-04-01
12242713 Information processing device, setting method, and setting program for graphically defining a flow of a series of processes Keisuke KIRITOSHI 2025-03-04
12214686 Charging system and information processing device Yoshikane TANAAMI 2025-02-04
12152410 Safety switch and storage control method 2024-11-26
12044590 Force sensor and fitting system Yoshikane TANAAMI 2024-07-23
11846341 Drive unit and maintenance method for the same Toshiaki Tanaka 2023-12-19
11774631 Geologic formation neutron porosity system Joan Abadie, Mohammad Taghi Salehi, John Rasmus, Xiao Bo Hong 2023-10-03 $32,771,000
11619564 Test apparatus for testing an actuator Keigo Futamata, Makoto Nagashima 2023-04-04
11613187 Vehicle control device Masanori SHINOHARA, Jumpei Kakehi, Miki Sugita 2023-03-28 $833,000
11582355 Information processing method, information processing apparatus, and storage medium 2023-02-14 $32,000
11525866 Secondary battery management device, secondary battery, and secondary battery management program Akihiko Matsumura, Yuya YOSHII, Masako HARADA 2022-12-13
11504747 Drug sorting device, sorting container, and drug return method Hirokazu Amano, Tomohiro Sugimoto, Yasuyuki Yoshikawa, Maki MATSUNAGA, Yuta Higuchi 2022-11-22
11366487 Resetting clock divider circuitry prior to a clock restart 2022-06-21 $17,591,000
11316403 Electric motor system Masao Tokunaga, Masanori Yasuda 2022-04-26
11298832 Main mold and core joining device and main mold and core joining method Masahiko Nagasaka, Hiroyasu Makino, Takumi Kobayashi 2022-04-12
11293364 Control device for drive system Kazuhiko Sakakibara, Hiroyuki Toyama, Michihiro Miyashita 2022-04-05 $742,000
11295299 Information processing apparatus Norihiko Fujita, Hisanori Arai, Masaji Nagai 2022-04-05 $793,000
11276442 Apparatuses and methods for clock leveling in semiconductor memories Keisuke Tada, Mototada Sakashita 2022-03-15 $16,938,000
11262476 Relay unit for photoelectric sensor Yoshiyuki Watanabe 2022-03-01
11255994 Earth model generation via measurements Xiao Bo Hong, Keli Sun, Aria Abubakar 2022-02-22 $120,762,000
11204438 Determining anisotropic subsurface properties with electromagnetic measurements Gong Li Wang, Xiao Bo Hong 2021-12-21 $89,011,000
11149761 Fluid actuator Keigo Futamata 2021-10-19
11105309 Control device for drive system Michihiro Miyashita, Kazuhiko Sakakibara, Hiroyuki Toyama 2021-08-31 $748,000